Home / 107,473.03-161,209.74-28,587.23

Finding the Fourth Proportional to 107,473.03, 161,209.74 and 28,587.23

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Solution

The fourth proportional to 107,473.03, 161,209.74 and 28,587.23 is: 42,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,473.03 : 161,209.74 = 28,587.23 : x
  2. Step 2: Convert to fraction form
    107,473.03/161,209.74 = 28,587.23/x
  3. Step 3: Cross multiply
    107,473.03x = 161,209.74 × 28,587.23
  4. Step 4: Simplify right side
    107,473.03x = 4,608,539,821.31
  5. Step 5: Solve for x
    x = 4,608,539,821.31/107,473.03
  6. Step 6: Final answer
    x = 42,880.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.